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Vacuum pump
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Patent number 11,346,350
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Issue date May 31, 2022
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LEYBOLD GMBH
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Rainer Hölzer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Vacuum-pump rotor
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Patent number 10,393,124
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Issue date Aug 27, 2019
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LEYBOLD GMBH
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Rainer Hölzer
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Vacuum pump
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Patent number 10,221,864
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Issue date Mar 5, 2019
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LEYBOLD GMBH
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Rainer Hölzer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Vacuum pump
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Patent number 7,544,046
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Issue date Jun 9, 2009
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Oerlikon Leybold Vacuum GmbH
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Christian Beyer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Test-gas leak detector
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Patent number 7,240,536
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Issue date Jul 10, 2007
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Oerlikon Leybold Vacuum GmbH
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Christian Beyer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Vacuum pump comprising an outlet
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Patent number 6,948,921
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Issue date Sep 27, 2005
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Leybold Vakuum GmbH
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Rainer Hölzer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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High-speed turbo pump
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Patent number 6,709,236
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Issue date Mar 23, 2004
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Leybold Vakuum GmbH
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Rainer Hölzer
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...